National Museum of Nuclear Science & History
Max Rogers worked for the United States Engineer District Office.
Part of the Special Engineer Detachment (SED), Donald C. Harms was first sent to Oak Ridge, Tennessee, to work on the Manhattan Project.
Jas McCarthy worked for the Kellex Corporation at the K-25 Plant.
Ivan Behymer came out from the Dupont 'black powder' plant in Illinois to Richland, Washington (Hanford) in March of 1943.